package io.renren.modules.health.controller;

import io.renren.common.annotation.LogOperation;
import io.renren.common.constant.Constant;
import io.renren.common.exception.RenException;
import io.renren.common.page.PageData;
import io.renren.common.utils.ExcelUtils;
import io.renren.common.utils.Result;
import io.renren.common.validator.AssertUtils;
import io.renren.common.validator.ValidatorUtils;
import io.renren.common.validator.group.AddGroup;
import io.renren.common.validator.group.DefaultGroup;
import io.renren.common.validator.group.UpdateGroup;
import io.renren.modules.health.dto.FoodDTO;
import io.renren.modules.health.dto.FoodPlanDTO;
import io.renren.modules.health.dto.FoodPlanDetailDTO;
import io.renren.modules.health.entity.FoodPlanDetailEntity;
import io.renren.modules.health.entity.FoodPlanEntity;
import io.renren.modules.health.excel.FoodPlanExcel;
import io.renren.modules.health.service.FoodPlanDetailService;
import io.renren.modules.health.service.FoodPlanService;
import io.renren.modules.health.service.FoodService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import springfox.documentation.annotations.ApiIgnore;

import javax.servlet.http.HttpServletResponse;
import java.util.*;
import java.util.stream.Collectors;


/**
 * 饮食方案
 */
@RestController
@RequestMapping("health/foodplan")
@Api(tags="饮食方案")
public class FoodPlanController {
    @Autowired
    private FoodPlanService foodPlanService;
    @Autowired
    private FoodPlanDetailService foodPlanDetailService;
    @Autowired
    private FoodService foodService;

    @GetMapping("page")
    @ApiOperation("分页")
    @ApiImplicitParams({
        @ApiImplicitParam(name = Constant.PAGE, value = "当前页码，从1开始", paramType = "query", required = true, dataType="int") ,
        @ApiImplicitParam(name = Constant.LIMIT, value = "每页显示记录数", paramType = "query",required = true, dataType="int") ,
        @ApiImplicitParam(name = Constant.ORDER_FIELD, value = "排序字段", paramType = "query", dataType="String") ,
        @ApiImplicitParam(name = Constant.ORDER, value = "排序方式，可选值(asc、desc)", paramType = "query", dataType="String")
    })
    @RequiresPermissions("health:foodplan:page")
    public Result<PageData<FoodPlanDTO>> page(@ApiIgnore @RequestParam Map<String, Object> params){
        PageData<FoodPlanDTO> page = foodPlanService.page(params);

        return new Result<PageData<FoodPlanDTO>>().ok(page);
    }

    @GetMapping("{id}")
    @ApiOperation("信息")
    @RequiresPermissions("health:foodplan:info")
    public Result<FoodPlanDTO> get(@PathVariable("id") Long id){
        FoodPlanDTO data = foodPlanService.get(id);
        HashMap<String, Object> param = new HashMap<>();
        param.put("foodPlanId",id);
        List<FoodPlanDetailDTO> foodPlanDetailDTOS = foodPlanDetailService.list(param);
        param.put("foodIds",foodPlanDetailDTOS.stream().map(FoodPlanDetailDTO::getFoodId).distinct().collect(Collectors.toList()));
        data.setFoodPlanDetails(foodPlanDetailDTOS);
        List<FoodDTO> foodDTOS = foodService.list(param);
        foodPlanDetailDTOS.forEach(foodPlanDetail -> foodPlanDetail.setFoodName(
                    foodDTOS.stream().filter(food -> foodPlanDetail.getFoodId().equals(food.getId()))
                            .findFirst()
                            .orElse(new FoodDTO()).getFoodName()));

        return new Result<FoodPlanDTO>().ok(data);
    }

    @PostMapping
    @ApiOperation("保存")
    @LogOperation("保存")
    @RequiresPermissions("health:foodplan:save")
    public Result save(@RequestBody FoodPlanDTO dto){
        //效验数据
        ValidatorUtils.validateEntity(dto, AddGroup.class, DefaultGroup.class);

        foodPlanService.save(dto);
        if (!Objects.isNull(dto.getFoodPlanDetails()) && !dto.getFoodPlanDetails().isEmpty()) {
            List<FoodPlanDetailEntity> foodPlanDetailEntities = dto.getFoodPlanDetails().stream()
                    .map(fpd -> {
                        fpd.setFoodPlanId(dto.getId());
                        FoodPlanDetailEntity foodPlanEntity = new FoodPlanDetailEntity();
                        BeanUtils.copyProperties(fpd, foodPlanEntity);
                        return foodPlanEntity;
                    })
                    .collect(Collectors.toList());
            foodPlanDetailService.insertBatch(foodPlanDetailEntities);
        } else throw new RenException(100,"饮食方案未添加食品");
        return new Result();
    }

    @PutMapping
    @ApiOperation("修改")
    @LogOperation("修改")
    @RequiresPermissions("health:foodplan:update")
    public Result update(@RequestBody FoodPlanDTO dto){
        //效验数据
        ValidatorUtils.validateEntity(dto, UpdateGroup.class, DefaultGroup.class);

        foodPlanService.update(dto);
        if (!Objects.isNull(dto.getFoodPlanDetails()) && !dto.getFoodPlanDetails().isEmpty() && dto.getFoodPlanDetails().stream().anyMatch(fpd -> null != fpd.getId())) {
            List<FoodPlanDetailDTO> insertList = dto.getFoodPlanDetails().stream().filter(fpd -> null != fpd.getId()).collect(Collectors.toList());
            List<FoodPlanDetailEntity> foodPlanDetailEntities = insertList.stream()
                    .map(fpd -> {
                        fpd.setFoodPlanId(dto.getId());
                        FoodPlanDetailEntity foodPlanEntity = new FoodPlanDetailEntity();
                        BeanUtils.copyProperties(fpd, foodPlanEntity);
                        return foodPlanEntity;
                    })
                    .collect(Collectors.toList());
            foodPlanDetailService.insertBatch(foodPlanDetailEntities);
        }
        return new Result();
    }

    @DeleteMapping
    @ApiOperation("删除")
    @LogOperation("删除")
    @RequiresPermissions("health:foodplan:delete")
    public Result delete(@RequestBody Long[] ids){
        //效验数据
        AssertUtils.isArrayEmpty(ids, "id");
        foodPlanService.delete(ids);
        HashMap<String, Object> param = new HashMap<>();
        param.put("foodPlanIds", Arrays.asList(ids));
        List<FoodPlanDetailDTO> planDetailDTOList = foodPlanDetailService.list(param);
        foodPlanDetailService.deleteBatchIds(planDetailDTOList.stream().map(FoodPlanDetailDTO::getFoodId).collect(Collectors.toList()));
        return new Result();
    }

    @GetMapping("export")
    @ApiOperation("导出")
    @LogOperation("导出")
    @RequiresPermissions("health:foodplan:export")
    public void export(@ApiIgnore @RequestParam Map<String, Object> params, HttpServletResponse response) throws Exception {
        List<FoodPlanDTO> list = foodPlanService.list(params);

        ExcelUtils.exportExcelToTarget(response, null, "饮食方案", list, FoodPlanExcel.class);
    }

}